Even if you've tried reading the fine print from your credit card company, it's rarely obvious what it all means. Weblog Get Rich Slowly takes pity on us, breaking down five common tricks to watch for.

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The post breaks down five promises, explaining the trap set up by each promise, then detailing you can avoid it. For example:

Promise #3: "0% APR on balance transfers for 12 months!"

The Trap: Two-fold. First off, it's almost impossible these days to transfer a credit card balance without paying 3% of the balance upfront. Transfer $5000 and you'll pay $150 before we even start talking about paying down the balance.

Second, almost all card companies take your payments and apply them first to balances with the lowest interest rate. Say you transfer $1000 to a card at 0%. The card's interest rate on new purchases is 13.99%. This month you buy $500 worth of stuff with the card, then pay $500 when the bill comes. Do you still have a $1000 balance at 0%? No, you have a $500 balance at 0% and a $500 balance at $13.99%! Why? Because your $500 payment went toward the balance sitting at 0%, not toward the balance sitting at the 13.99%.

Your Plan: A couple of options. The easy thing to do would be to swear off credit for a bit - transfer the balance then don't use the card until it is paid off. (You'd stilll get hit with the 3% fee, but it might be worth it if you had a high interest rate on your old card.)

If you have decent credit and a little more self control, you could get a new credit card that offers a 0% rate on purchases for 12 months, then use it while you pay off your old card's balance. By doing so, you focus on paying off your high-interest debt while floating new purchases at 0%. If you follow my logic, this is very similar to transferring your balance at 0% but without the fee. Either way, recognize that the 0% rate doesn't last forever and the bill eventually comes due.

Be sure to head to the post to school yourself on the other common tricks to be wary of. If you've ever been suckered into a similarly less-than-ideal credit situation, share your experience in the comments. Photo by Andres Rueda.